Home / 3,159-4,733.56-1,210.12

Finding the Fourth Proportional to 3,159, 4,733.56 and 1,210.12

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Solution

The fourth proportional to 3,159, 4,733.56 and 1,210.12 is: 1,813.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,159 : 4,733.56 = 1,210.12 : x
  2. Step 2: Convert to fraction form
    3,159/4,733.56 = 1,210.12/x
  3. Step 3: Cross multiply
    3,159x = 4,733.56 × 1,210.12
  4. Step 4: Simplify right side
    3,159x = 5,728,175.63
  5. Step 5: Solve for x
    x = 5,728,175.63/3,159
  6. Step 6: Final answer
    x = 1,813.29

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.